IJ03676: JVM HUNG WHILE SHUTTING DOWN

APAR status

• Closed as program error.

Error description

• Error Message: JVM hangs while generating a javacore at vm
  shutdown
  .
  Stack Trace: Native call stack:
  poll
  sem_timedwait_r
  j9introspect_threads_nextDo
  j9sig_protect
  JavaCoreDumpWriter::writeThreadsWithNativeStacks
  protectedWriteThreadsWithNativeStacks
  JavaCoreDumpWriter::writeThreadSection
  JavaCoreDumpWriter::JavaCoreDumpWriter
  runJavadump
  doJavaDump
  .
  The JVM may appear to hang, with no further response from the
  Java application. A truncated javacore may be produced
  

Local fix

Problem summary

• The problem is caused by a Linux Scheduler bug
  

Problem conclusion

• The JVM has been updated to prevent the hang from occurring
  while generating javacore
  .
  This APAR will be fixed in the following Java Releases:
     8    SR5 FP11  (8.0.5.11)
  .
  Contact your IBM Product's Service Team for these Service
  Refreshes and Fix Packs.
  For those running stand-alone, information about the available
  Service Refreshes and Fix Packs can be found at:
             https://www.ibm.com/developerworks/java/jdk/
  

Temporary fix

Comments

APAR Information

• APAR is sysrouted FROM one or more of the following:

• APAR is sysrouted TO one or more of the following:

Fix information

• Fixed component name

  J9 COMMON CODE

• Fixed component ID

  620700127

Applicable component levels

• R270 PSY

     UP